Added optional HTTP authentication against the ElasticSearch HTTP
server. This is needed if you have put a proxy before your ElasticSearch
server that uses HTTPS and Basic Auth to protect access to the
ElasticSearch server.
Configurable global hostname setting.
Update changelog and documentation.
Remove prefix_ts config option

When I copied the example verbatim heka failed to load the plugin.
Fix typo

Who wants to restart heka if they don't need to :P
Missing type
Remove test config plugins that write to base_dir, and make sure
kafka plugins use Heka's configured hostname.
Merge pull request #1182 from mozilla-services/hostname_config_setting

Hostname config setting
Merge pull request #1184 from hydrajump/fix-docs

Fix docs
Improve sandbox inject_* error messages issue #1156
Merge pull request #1188 from mozilla-services/issue_1156

Improve sandbox inject_* error messages issue #1156
ElasticSearch: output timeout and JSON errors
ElasticSearch: add connect timeout
Merge pull request #1186 from validname/validname-es-add_connect_timeout

ElasticSearch: add connect timeout
Merge branch 'validname-es-parse_json_error' of github.com:validname/heka into validname-es-parse_json_error

Conflicts:
	CHANGES.txt
Merge branch 'validname-es-parse_json_error' into dev
Merge branch 'dev' of github.com:ghaering/heka into ghaering-dev

Conflicts:
	plugins/elasticsearch/elasticsearch.go
Merge branch 'ghaering-dev' into dev
Issue #1191 Allow more detailed error messages to be set in process_message
Missing http_timeout documentation on HttpOutput